18910875340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135077681}}^1$

素因数の和:135077697

約数の個数: 24

約数和(自身を含む): 45386101152

約数和(自身を除く): 26475225812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135077681, 270155362, 540310724, 675388405, 945543767, 1350776810, 1891087534, 2701553620, 3782175068, 4727718835, 9455437670, 18910875340]

約数ペア:

[(1, 18910875340), (2, 9455437670), (4, 4727718835), (5, 3782175068), (7, 2701553620), (10, 1891087534), (14, 1350776810), (20, 945543767), (28, 675388405), (35, 540310724), (70, 270155362), (140, 135077681)]